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Finding the Fourth Proportional to 162,166.51, 223,812.21 and 90,551.17

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Solution

The fourth proportional to 162,166.51, 223,812.21 and 90,551.17 is: 124,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,166.51 : 223,812.21 = 90,551.17 : x
  2. Step 2: Convert to fraction form
    162,166.51/223,812.21 = 90,551.17/x
  3. Step 3: Cross multiply
    162,166.51x = 223,812.21 × 90,551.17
  4. Step 4: Simplify right side
    162,166.51x = 20,266,457,475.79
  5. Step 5: Solve for x
    x = 20,266,457,475.79/162,166.51
  6. Step 6: Final answer
    x = 124,973.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.